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x in (-oo:+oo)
(1/2)*x+1/2 = (5/4)*x+3/8+3/4 // - (5/4)*x+3/8+3/4
(1/2)*x-((5/4)*x)+1/2-(3/8)-(3/4) = 0
(1/2)*x+(-5/4)*x+1/2-3/8-3/4 = 0
-3/4*x-5/8 = 0 // + 5/8
-3/4*x = 5/8 // : -3/4
x = 5/8/(-3/4)
x = -5/6
x = -5/6
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